add short titles to frontmatter (#20131)

content/admin/github-actions/enabling-github-actions-for-github-enterprise-server/enabling-github-actions-with-amazon-s3-storage.md

@@ -8,6 +8,7 @@ topics:
   - Enterprise
 redirect_from:
   - /admin/github-actions/enabling-github-actions-with-amazon-s3-storage
+shortTitle: Amazon S3 storage
 ---
 ## Prerequisites
 

content/admin/github-actions/enabling-github-actions-for-github-enterprise-server/enabling-github-actions-with-azure-blob-storage.md

@@ -8,6 +8,7 @@ topics:
   - Enterprise
 redirect_from:
   - /admin/github-actions/enabling-github-actions-with-azure-blob-storage
+shortTitle: Azure Blob storage
 ---
 ## Prerequisites
 

content/admin/github-actions/enabling-github-actions-for-github-enterprise-server/enabling-github-actions-with-minio-gateway-for-nas-storage.md

@@ -8,6 +8,7 @@ topics:
   - Enterprise
 redirect_from:
   - /admin/github-actions/enabling-github-actions-with-minio-gateway-for-nas-storage
+shortTitle: MinIO Gateway for NAS storage
 ---
 ## Prerequisites
 

content/admin/github-actions/enabling-github-actions-for-github-enterprise-server/enforcing-github-actions-policies-for-your-enterprise.md

@@ -12,6 +12,7 @@ topics:
   - Actions
   - Enterprise
   - Policies
+shortTitle: Enforce enterprise policies
 ---
 {% data reusables.actions.ae-beta %}
 {% data reusables.actions.enterprise-beta %}

content/admin/github-actions/enabling-github-actions-for-github-enterprise-server/index.md

@@ -11,5 +11,6 @@ children:
   - /enabling-github-actions-with-amazon-s3-storage
   - /enabling-github-actions-with-minio-gateway-for-nas-storage
   - /enforcing-github-actions-policies-for-your-enterprise
+shortTitle: Enable GitHub Actions
 ---